Science

Question 1

Speciation

Answer 1

Is the tide of two or more species from one existing species

Question 2

Intersexual selection

Answer 2

Males display certain traits to females

Question 3

Genetic drift

Answer 3

Is a change in allele frequencies due to chance

Question 4

Does genetic drift have a negative effect on a population

Answer 4

Yes

Question 5

What is the founder effect

Answer 5

The founder effect is a genetic drift that occurs after start of new population

Question 6

True or false:A population bottleneck can lead to genetic drift

Answer 6

True

Question 7

True or false:Gene flow keeps neighboring populations similar

Answer 7

True

Question 8

When does geographic occur

Answer 8

When physical barriers divide population

Question 9

When does temporal isolation happen

Answer 9

When timing of reproductive periods prevents mating

Question 10

When does genetic drift occur

Answer 10

When an event drastically reduces population size

Question 11

True or false:Natural selection is not the only mechanism through which populations evolve.

Answer 11

True

Question 12

Can temporal barriers cause isolation

Answer 12

Yes

Question 13

Intrasexual selection

Answer 13

Competition among males

Question 14

Does population become isolated when there is no gene flow

Answer 14

Yes

Question 15

Emigration

Answer 15

Is the process of leaving a population

Question 16

Can Populations become isolated in several ways

Answer 16

Yes

Question 17

When does gene flow occur

Answer 17

When individuals join new populations and reproduce

Question 18

Does Behavioral isolation includes different in courtship or mating behaviors

Answer 18

Yes

Question 19

When can reproductive isolation occur

Answer 19

Can occur between isolated populations; occurs when member of different populations connor mate successfully

Question 20

Can behavioral Barriers cause isolation

Answer 20

Yes

Question 21

Gene flow

Answer 21

Is the movement of alleles between populations

Question 22

What does genetic drift cause

Answer 22

A loss of genetic diversity and is most common in small populations

Question 23

Immigration

Answer 23

Is the process of joining a new population

Question 24

When does sexual selection occur

Answer 24

It occurs when certain traits increase mating success and occurs due to higher closet of reproduction for females

Question 25

Is it less or more likely to have some individuals that can adapt

Answer 25

Less

Question 26

True or false: harmful alleles can become more common due to chance

Answer 26

True

Question 27

What happened when you have a low gene flow

Answer 27

Increases the chance that two populations will evolve into different species

Question 28

True of false: the founding of a small population can lead to genetic drift

Answer 28

True